A canal and a river run parallel an average of 250 feet apart. The elevation of the water surface in the canal is at +1050 feet and in the river at +1021 feet. A stratum of sand intersects both the river and the canal below their water levels. The sand is 6 feet, and is sandwiched between strata of impervious clay. Compute the seepage loss q from the canal in ft/day-mile if the permeability of the sand is 2(10)³ ft. /sec.

A canal and a river run parallel an average of 250 feet apart. The elevation of the water surface in the canal is at +1050 feet and in the river at +1021 feet. A stratum of sand intersects both the river and the canal below their water levels. The sand is 6 feet, and is sandwiched between strata of impervious clay. Compute the seepage loss q from the canal in ft/day-mile if the permeability of the sand is 2(10)³ ft. /sec.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Calculation of Settlement

The vertical displacement of the structural foundation due to the loading from the superstructure is known as settlement. It is due to the reduction of air voids present in the soil. The amount of vertical displacement depends on the bearing capacity of the soil on which the foundation is laid. The effect of the settlement depends on the magnitude of settlement, uniformity, and the structural design of the structure. The maximum allowable settlement for residential and office buildings should be less than 18 mm, for industrial buildings, it is 38 mm and for commercial buildings, it is 25 mm.

Question

2. A canal and a river run parallel an average of 250 feet apart. The elevation of the
water surface in the canal is at +1050 feet and in the river at +1021 feet. A stratum
of sand intersects both the river and the canal below their water levels. The sand is
6 feet, and is sandwiched between strata of impervious clay. Compute the seepage
loss q from the canal in ft/day-mile if the permeability of the sand is 2(10)3 ft.
/ sec.

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